m->m_len = size;

		#define	VTNET_ALIGNMENT_FUDGE	2

		m->m_data += VTNET_ALIGNMENT_FUDGE;

		KASSERT(size + VTNET_ALIGNMENT_FUDGE > 0, ("%s: mbuf size (%d) smaller than VTNET_ALIGNMENT_FUDGE", __func__, size));

		m->m_len = size - VTNET_ALIGNMENT_FUDGE;